mirror of
https://github.com/reactos/reactos.git
synced 2024-09-09 20:30:04 +00:00
1166 lines
31 KiB
C
1166 lines
31 KiB
C
/*
|
|
* ReactOS W32 Subsystem
|
|
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
/* $Id: bitmaps.c 28300 2007-08-12 15:20:09Z tkreuzer $ */
|
|
|
|
#include <win32k.h>
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
|
|
|
|
BOOL APIENTRY
|
|
NtGdiAlphaBlend(
|
|
HDC hDCDest,
|
|
LONG XOriginDest,
|
|
LONG YOriginDest,
|
|
LONG WidthDest,
|
|
LONG HeightDest,
|
|
HDC hDCSrc,
|
|
LONG XOriginSrc,
|
|
LONG YOriginSrc,
|
|
LONG WidthSrc,
|
|
LONG HeightSrc,
|
|
BLENDFUNCTION BlendFunc,
|
|
HANDLE hcmXform)
|
|
{
|
|
PDC DCDest;
|
|
PDC DCSrc;
|
|
HDC ahDC[2];
|
|
PGDIOBJ apObj[2];
|
|
SURFACE *BitmapDest, *BitmapSrc;
|
|
RECTL DestRect, SourceRect;
|
|
BOOL bResult;
|
|
EXLATEOBJ exlo;
|
|
BLENDOBJ BlendObj;
|
|
BlendObj.BlendFunction = BlendFunc;
|
|
|
|
if (WidthDest < 0 || HeightDest < 0 || WidthSrc < 0 || HeightSrc < 0)
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
|
|
DPRINT("Locking DCs\n");
|
|
ahDC[0] = hDCDest;
|
|
ahDC[1] = hDCSrc ;
|
|
GDIOBJ_LockMultipleObjs(2, ahDC, apObj);
|
|
DCDest = apObj[0];
|
|
DCSrc = apObj[1];
|
|
|
|
if ((NULL == DCDest) || (NULL == DCSrc))
|
|
{
|
|
DPRINT1("Invalid dc handle (dest=0x%08x, src=0x%08x) passed to NtGdiAlphaBlend\n", hDCDest, hDCSrc);
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
if(DCSrc) GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
if(DCDest) GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
return FALSE;
|
|
}
|
|
|
|
if (DCDest->dctype == DC_TYPE_INFO || DCDest->dctype == DCTYPE_INFO)
|
|
{
|
|
GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
|
|
DestRect.left = XOriginDest;
|
|
DestRect.top = YOriginDest;
|
|
DestRect.right = XOriginDest + WidthDest;
|
|
DestRect.bottom = YOriginDest + HeightDest;
|
|
IntLPtoDP(DCDest, (LPPOINT)&DestRect, 2);
|
|
|
|
DestRect.left += DCDest->ptlDCOrig.x;
|
|
DestRect.top += DCDest->ptlDCOrig.y;
|
|
DestRect.right += DCDest->ptlDCOrig.x;
|
|
DestRect.bottom += DCDest->ptlDCOrig.y;
|
|
|
|
SourceRect.left = XOriginSrc;
|
|
SourceRect.top = YOriginSrc;
|
|
SourceRect.right = XOriginSrc + WidthSrc;
|
|
SourceRect.bottom = YOriginSrc + HeightSrc;
|
|
IntLPtoDP(DCSrc, (LPPOINT)&SourceRect, 2);
|
|
|
|
SourceRect.left += DCSrc->ptlDCOrig.x;
|
|
SourceRect.top += DCSrc->ptlDCOrig.y;
|
|
SourceRect.right += DCSrc->ptlDCOrig.x;
|
|
SourceRect.bottom += DCSrc->ptlDCOrig.y;
|
|
|
|
if (!DestRect.right ||
|
|
!DestRect.bottom ||
|
|
!SourceRect.right ||
|
|
!SourceRect.bottom)
|
|
{
|
|
GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
return TRUE;
|
|
}
|
|
|
|
/* Prepare DCs for blit */
|
|
DPRINT("Preparing DCs for blit\n");
|
|
DC_vPrepareDCsForBlit(DCDest, DestRect, DCSrc, SourceRect);
|
|
|
|
/* Determine surfaces to be used in the bitblt */
|
|
BitmapDest = DCDest->dclevel.pSurface;
|
|
if (!BitmapDest)
|
|
{
|
|
bResult = FALSE ;
|
|
goto leave ;
|
|
}
|
|
|
|
BitmapSrc = DCSrc->dclevel.pSurface;
|
|
if (!BitmapSrc)
|
|
{
|
|
bResult = FALSE;
|
|
goto leave;
|
|
}
|
|
|
|
/* Create the XLATEOBJ. */
|
|
EXLATEOBJ_vInitXlateFromDCs(&exlo, DCSrc, DCDest);
|
|
|
|
/* Perform the alpha blend operation */
|
|
DPRINT("Performing the alpha Blend\n");
|
|
bResult = IntEngAlphaBlend(&BitmapDest->SurfObj,
|
|
&BitmapSrc->SurfObj,
|
|
DCDest->rosdc.CombinedClip,
|
|
&exlo.xlo,
|
|
&DestRect,
|
|
&SourceRect,
|
|
&BlendObj);
|
|
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
leave :
|
|
DPRINT("Finishing blit\n");
|
|
DC_vFinishBlit(DCDest, DCSrc);
|
|
GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
|
|
return bResult;
|
|
}
|
|
|
|
BOOL APIENTRY
|
|
NtGdiBitBlt(
|
|
HDC hDCDest,
|
|
INT XDest,
|
|
INT YDest,
|
|
INT Width,
|
|
INT Height,
|
|
HDC hDCSrc,
|
|
INT XSrc,
|
|
INT YSrc,
|
|
DWORD ROP,
|
|
IN DWORD crBackColor,
|
|
IN FLONG fl)
|
|
{
|
|
PDC DCDest;
|
|
PDC DCSrc = NULL;
|
|
HDC ahDC[2];
|
|
PGDIOBJ apObj[2];
|
|
PDC_ATTR pdcattr = NULL;
|
|
SURFACE *BitmapDest, *BitmapSrc = NULL;
|
|
RECTL DestRect, SourceRect;
|
|
POINTL SourcePoint;
|
|
BOOL Status = FALSE;
|
|
EXLATEOBJ exlo;
|
|
XLATEOBJ *XlateObj = NULL;
|
|
BOOL UsesSource = ROP3_USES_SOURCE(ROP);
|
|
|
|
DPRINT("Locking DCs\n");
|
|
ahDC[0] = hDCDest;
|
|
ahDC[1] = hDCSrc ;
|
|
GDIOBJ_LockMultipleObjs(2, ahDC, apObj);
|
|
DCDest = apObj[0];
|
|
DCSrc = apObj[1];
|
|
|
|
if (NULL == DCDest)
|
|
{
|
|
if(DCSrc) GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
DPRINT("Invalid destination dc handle (0x%08x) passed to NtGdiBitBlt\n", hDCDest);
|
|
return FALSE;
|
|
}
|
|
|
|
if (DCDest->dctype == DC_TYPE_INFO)
|
|
{
|
|
if(DCSrc) GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
|
|
if (UsesSource)
|
|
{
|
|
if (NULL == DCSrc)
|
|
{
|
|
GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
DPRINT("Invalid source dc handle (0x%08x) passed to NtGdiBitBlt\n", hDCSrc);
|
|
return FALSE;
|
|
}
|
|
if (DCSrc->dctype == DC_TYPE_INFO)
|
|
{
|
|
GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
}
|
|
else if(DCSrc)
|
|
{
|
|
DPRINT1("Getting a valid Source handle without using source!!!\n");
|
|
GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
DCSrc = NULL ;
|
|
}
|
|
|
|
pdcattr = DCDest->pdcattr;
|
|
|
|
DestRect.left = XDest;
|
|
DestRect.top = YDest;
|
|
DestRect.right = XDest+Width;
|
|
DestRect.bottom = YDest+Height;
|
|
IntLPtoDP(DCDest, (LPPOINT)&DestRect, 2);
|
|
|
|
DestRect.left += DCDest->ptlDCOrig.x;
|
|
DestRect.top += DCDest->ptlDCOrig.y;
|
|
DestRect.right += DCDest->ptlDCOrig.x;
|
|
DestRect.bottom += DCDest->ptlDCOrig.y;
|
|
|
|
SourcePoint.x = XSrc;
|
|
SourcePoint.y = YSrc;
|
|
|
|
if (UsesSource)
|
|
{
|
|
IntLPtoDP(DCSrc, (LPPOINT)&SourcePoint, 1);
|
|
|
|
SourcePoint.x += DCSrc->ptlDCOrig.x;
|
|
SourcePoint.y += DCSrc->ptlDCOrig.y;
|
|
/* Calculate Source Rect */
|
|
SourceRect.left = SourcePoint.x;
|
|
SourceRect.top = SourcePoint.y;
|
|
SourceRect.right = SourcePoint.x + DestRect.right - DestRect.left;
|
|
SourceRect.bottom = SourcePoint.y + DestRect.bottom - DestRect.top ;
|
|
}
|
|
|
|
/* Prepare blit */
|
|
DC_vPrepareDCsForBlit(DCDest, DestRect, DCSrc, SourceRect);
|
|
|
|
if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
|
|
DC_vUpdateFillBrush(DCDest);
|
|
|
|
/* Determine surfaces to be used in the bitblt */
|
|
BitmapDest = DCDest->dclevel.pSurface;
|
|
if (!BitmapDest)
|
|
goto cleanup;
|
|
|
|
if (UsesSource)
|
|
{
|
|
{
|
|
BitmapSrc = DCSrc->dclevel.pSurface;
|
|
if (!BitmapSrc)
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
/* Create the XLATEOBJ. */
|
|
if (UsesSource)
|
|
{
|
|
EXLATEOBJ_vInitXlateFromDCs(&exlo, DCSrc, DCDest);
|
|
XlateObj = &exlo.xlo;
|
|
}
|
|
|
|
/* Perform the bitblt operation */
|
|
Status = IntEngBitBlt(&BitmapDest->SurfObj,
|
|
BitmapSrc ? &BitmapSrc->SurfObj : NULL,
|
|
NULL,
|
|
DCDest->rosdc.CombinedClip,
|
|
XlateObj,
|
|
&DestRect,
|
|
&SourcePoint,
|
|
NULL,
|
|
&DCDest->eboFill.BrushObject,
|
|
&DCDest->dclevel.pbrFill->ptOrigin,
|
|
ROP3_TO_ROP4(ROP));
|
|
|
|
if (UsesSource)
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
cleanup:
|
|
DC_vFinishBlit(DCDest, DCSrc);
|
|
if (UsesSource)
|
|
{
|
|
GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
}
|
|
GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
|
|
return Status;
|
|
}
|
|
|
|
BOOL APIENTRY
|
|
NtGdiTransparentBlt(
|
|
HDC hdcDst,
|
|
INT xDst,
|
|
INT yDst,
|
|
INT cxDst,
|
|
INT cyDst,
|
|
HDC hdcSrc,
|
|
INT xSrc,
|
|
INT ySrc,
|
|
INT cxSrc,
|
|
INT cySrc,
|
|
COLORREF TransColor)
|
|
{
|
|
PDC DCDest, DCSrc;
|
|
HDC ahDC[2];
|
|
PGDIOBJ apObj[2];
|
|
RECTL rcDest, rcSrc;
|
|
SURFACE *BitmapDest, *BitmapSrc = NULL;
|
|
HPALETTE SourcePalette = 0, DestPalette = 0;
|
|
PPALETTE PalDestGDI, PalSourceGDI;
|
|
USHORT PalDestMode, PalSrcMode;
|
|
ULONG TransparentColor = 0;
|
|
BOOL Ret = FALSE;
|
|
EXLATEOBJ exlo;
|
|
|
|
DPRINT("Locking DCs\n");
|
|
ahDC[0] = hdcDst;
|
|
ahDC[1] = hdcSrc ;
|
|
GDIOBJ_LockMultipleObjs(2, ahDC, apObj);
|
|
DCDest = apObj[0];
|
|
DCSrc = apObj[1];
|
|
|
|
if ((NULL == DCDest) || (NULL == DCSrc))
|
|
{
|
|
DPRINT1("Invalid dc handle (dest=0x%08x, src=0x%08x) passed to NtGdiAlphaBlend\n", hdcDst, hdcSrc);
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
if(DCSrc) GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
if(DCDest) GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
return FALSE;
|
|
}
|
|
|
|
if (DCDest->dctype == DC_TYPE_INFO || DCDest->dctype == DCTYPE_INFO)
|
|
{
|
|
GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
|
|
rcDest.left = xDst;
|
|
rcDest.top = yDst;
|
|
rcDest.right = rcDest.left + cxDst;
|
|
rcDest.bottom = rcDest.top + cyDst;
|
|
IntLPtoDP(DCDest, (LPPOINT)&rcDest, 2);
|
|
|
|
rcDest.left += DCDest->ptlDCOrig.x;
|
|
rcDest.top += DCDest->ptlDCOrig.y;
|
|
rcDest.right += DCDest->ptlDCOrig.x;
|
|
rcDest.bottom += DCDest->ptlDCOrig.y;
|
|
|
|
rcSrc.left = xSrc;
|
|
rcSrc.top = ySrc;
|
|
rcSrc.right = rcSrc.left + cxSrc;
|
|
rcSrc.bottom = rcSrc.top + cySrc;
|
|
IntLPtoDP(DCSrc, (LPPOINT)&rcSrc, 2);
|
|
|
|
rcSrc.left += DCSrc->ptlDCOrig.x;
|
|
rcSrc.top += DCSrc->ptlDCOrig.y;
|
|
rcSrc.right += DCSrc->ptlDCOrig.x;
|
|
rcSrc.bottom += DCSrc->ptlDCOrig.y;
|
|
|
|
/* Prepare for blit */
|
|
DC_vPrepareDCsForBlit(DCDest, rcDest, DCSrc, rcSrc);
|
|
|
|
BitmapDest = DCDest->dclevel.pSurface;
|
|
if (!BitmapDest)
|
|
{
|
|
goto done;
|
|
}
|
|
|
|
BitmapSrc = DCSrc->dclevel.pSurface;
|
|
if (!BitmapSrc)
|
|
{
|
|
goto done;
|
|
}
|
|
|
|
DestPalette = BitmapDest->hDIBPalette;
|
|
if (!DestPalette) DestPalette = pPrimarySurface->devinfo.hpalDefault;
|
|
|
|
SourcePalette = BitmapSrc->hDIBPalette;
|
|
if (!SourcePalette) SourcePalette = pPrimarySurface->devinfo.hpalDefault;
|
|
|
|
if(!(PalSourceGDI = PALETTE_LockPalette(SourcePalette)))
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
goto done;
|
|
}
|
|
PalSrcMode = PalSourceGDI->Mode;
|
|
PALETTE_UnlockPalette(PalSourceGDI);
|
|
|
|
if(DestPalette != SourcePalette)
|
|
{
|
|
if (!(PalDestGDI = PALETTE_LockPalette(DestPalette)))
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
goto done;
|
|
}
|
|
PalDestMode = PalDestGDI->Mode;
|
|
PALETTE_UnlockPalette(PalDestGDI);
|
|
}
|
|
else
|
|
{
|
|
PalDestMode = PalSrcMode;
|
|
PalDestGDI = PalSourceGDI;
|
|
}
|
|
|
|
/* Translate Transparent (RGB) Color to the source palette */
|
|
EXLATEOBJ_vInitialize(&exlo, &gpalRGB, PalSourceGDI, 0, 0, 0);
|
|
TransparentColor = XLATEOBJ_iXlate(&exlo.xlo, (ULONG)TransColor);
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
|
|
EXLATEOBJ_vInitialize(&exlo, PalSourceGDI, PalDestGDI, 0, 0, 0);
|
|
|
|
Ret = IntEngTransparentBlt(&BitmapDest->SurfObj, &BitmapSrc->SurfObj,
|
|
DCDest->rosdc.CombinedClip, &exlo.xlo, &rcDest, &rcSrc,
|
|
TransparentColor, 0);
|
|
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
|
|
done:
|
|
DC_vFinishBlit(DCDest, DCSrc);
|
|
GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
|
|
return Ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MaskBlt
|
|
* Ported from WINE by sedwards 11-4-03
|
|
*
|
|
* Someone thought it would be faster to do it here and then switch back
|
|
* to GDI32. I dunno. Write a test and let me know.
|
|
* A. It should be in here!
|
|
*/
|
|
|
|
static __inline BYTE
|
|
SwapROP3_SrcDst(BYTE bRop3)
|
|
{
|
|
return (bRop3 & 0x99) | ((bRop3 & 0x22) << 1) | ((bRop3 & 0x44) >> 1);
|
|
}
|
|
|
|
#define FRGND_ROP3(ROP4) ((ROP4) & 0x00FFFFFF)
|
|
#define BKGND_ROP3(ROP4) (ROP3Table[(SwapROP3_SrcDst((ROP4)>>24)) & 0xFF])
|
|
#define DSTCOPY 0x00AA0029
|
|
#define DSTERASE 0x00220326 /* dest = dest & (~src) : DSna */
|
|
|
|
BOOL APIENTRY
|
|
NtGdiMaskBlt(
|
|
HDC hdcDest,
|
|
INT nXDest,
|
|
INT nYDest,
|
|
INT nWidth,
|
|
INT nHeight,
|
|
HDC hdcSrc,
|
|
INT nXSrc,
|
|
INT nYSrc,
|
|
HBITMAP hbmMask,
|
|
INT xMask,
|
|
INT yMask,
|
|
DWORD dwRop,
|
|
IN DWORD crBackColor)
|
|
{
|
|
HBITMAP hOldMaskBitmap, hBitmap2, hOldBitmap2, hBitmap3, hOldBitmap3;
|
|
HDC hDCMask, hDC1, hDC2;
|
|
static const DWORD ROP3Table[256] =
|
|
{
|
|
0x00000042, 0x00010289,
|
|
0x00020C89, 0x000300AA,
|
|
0x00040C88, 0x000500A9,
|
|
0x00060865, 0x000702C5,
|
|
0x00080F08, 0x00090245,
|
|
0x000A0329, 0x000B0B2A,
|
|
0x000C0324, 0x000D0B25,
|
|
0x000E08A5, 0x000F0001,
|
|
0x00100C85, 0x001100A6,
|
|
0x00120868, 0x001302C8,
|
|
0x00140869, 0x001502C9,
|
|
0x00165CCA, 0x00171D54,
|
|
0x00180D59, 0x00191CC8,
|
|
0x001A06C5, 0x001B0768,
|
|
0x001C06CA, 0x001D0766,
|
|
0x001E01A5, 0x001F0385,
|
|
0x00200F09, 0x00210248,
|
|
0x00220326, 0x00230B24,
|
|
0x00240D55, 0x00251CC5,
|
|
0x002606C8, 0x00271868,
|
|
0x00280369, 0x002916CA,
|
|
0x002A0CC9, 0x002B1D58,
|
|
0x002C0784, 0x002D060A,
|
|
0x002E064A, 0x002F0E2A,
|
|
0x0030032A, 0x00310B28,
|
|
0x00320688, 0x00330008,
|
|
0x003406C4, 0x00351864,
|
|
0x003601A8, 0x00370388,
|
|
0x0038078A, 0x00390604,
|
|
0x003A0644, 0x003B0E24,
|
|
0x003C004A, 0x003D18A4,
|
|
0x003E1B24, 0x003F00EA,
|
|
0x00400F0A, 0x00410249,
|
|
0x00420D5D, 0x00431CC4,
|
|
0x00440328, 0x00450B29,
|
|
0x004606C6, 0x0047076A,
|
|
0x00480368, 0x004916C5,
|
|
0x004A0789, 0x004B0605,
|
|
0x004C0CC8, 0x004D1954,
|
|
0x004E0645, 0x004F0E25,
|
|
0x00500325, 0x00510B26,
|
|
0x005206C9, 0x00530764,
|
|
0x005408A9, 0x00550009,
|
|
0x005601A9, 0x00570389,
|
|
0x00580785, 0x00590609,
|
|
0x005A0049, 0x005B18A9,
|
|
0x005C0649, 0x005D0E29,
|
|
0x005E1B29, 0x005F00E9,
|
|
0x00600365, 0x006116C6,
|
|
0x00620786, 0x00630608,
|
|
0x00640788, 0x00650606,
|
|
0x00660046, 0x006718A8,
|
|
0x006858A6, 0x00690145,
|
|
0x006A01E9, 0x006B178A,
|
|
0x006C01E8, 0x006D1785,
|
|
0x006E1E28, 0x006F0C65,
|
|
0x00700CC5, 0x00711D5C,
|
|
0x00720648, 0x00730E28,
|
|
0x00740646, 0x00750E26,
|
|
0x00761B28, 0x007700E6,
|
|
0x007801E5, 0x00791786,
|
|
0x007A1E29, 0x007B0C68,
|
|
0x007C1E24, 0x007D0C69,
|
|
0x007E0955, 0x007F03C9,
|
|
0x008003E9, 0x00810975,
|
|
0x00820C49, 0x00831E04,
|
|
0x00840C48, 0x00851E05,
|
|
0x008617A6, 0x008701C5,
|
|
0x008800C6, 0x00891B08,
|
|
0x008A0E06, 0x008B0666,
|
|
0x008C0E08, 0x008D0668,
|
|
0x008E1D7C, 0x008F0CE5,
|
|
0x00900C45, 0x00911E08,
|
|
0x009217A9, 0x009301C4,
|
|
0x009417AA, 0x009501C9,
|
|
0x00960169, 0x0097588A,
|
|
0x00981888, 0x00990066,
|
|
0x009A0709, 0x009B07A8,
|
|
0x009C0704, 0x009D07A6,
|
|
0x009E16E6, 0x009F0345,
|
|
0x00A000C9, 0x00A11B05,
|
|
0x00A20E09, 0x00A30669,
|
|
0x00A41885, 0x00A50065,
|
|
0x00A60706, 0x00A707A5,
|
|
0x00A803A9, 0x00A90189,
|
|
0x00AA0029, 0x00AB0889,
|
|
0x00AC0744, 0x00AD06E9,
|
|
0x00AE0B06, 0x00AF0229,
|
|
0x00B00E05, 0x00B10665,
|
|
0x00B21974, 0x00B30CE8,
|
|
0x00B4070A, 0x00B507A9,
|
|
0x00B616E9, 0x00B70348,
|
|
0x00B8074A, 0x00B906E6,
|
|
0x00BA0B09, 0x00BB0226,
|
|
0x00BC1CE4, 0x00BD0D7D,
|
|
0x00BE0269, 0x00BF08C9,
|
|
0x00C000CA, 0x00C11B04,
|
|
0x00C21884, 0x00C3006A,
|
|
0x00C40E04, 0x00C50664,
|
|
0x00C60708, 0x00C707AA,
|
|
0x00C803A8, 0x00C90184,
|
|
0x00CA0749, 0x00CB06E4,
|
|
0x00CC0020, 0x00CD0888,
|
|
0x00CE0B08, 0x00CF0224,
|
|
0x00D00E0A, 0x00D1066A,
|
|
0x00D20705, 0x00D307A4,
|
|
0x00D41D78, 0x00D50CE9,
|
|
0x00D616EA, 0x00D70349,
|
|
0x00D80745, 0x00D906E8,
|
|
0x00DA1CE9, 0x00DB0D75,
|
|
0x00DC0B04, 0x00DD0228,
|
|
0x00DE0268, 0x00DF08C8,
|
|
0x00E003A5, 0x00E10185,
|
|
0x00E20746, 0x00E306EA,
|
|
0x00E40748, 0x00E506E5,
|
|
0x00E61CE8, 0x00E70D79,
|
|
0x00E81D74, 0x00E95CE6,
|
|
0x00EA02E9, 0x00EB0849,
|
|
0x00EC02E8, 0x00ED0848,
|
|
0x00EE0086, 0x00EF0A08,
|
|
0x00F00021, 0x00F10885,
|
|
0x00F20B05, 0x00F3022A,
|
|
0x00F40B0A, 0x00F50225,
|
|
0x00F60265, 0x00F708C5,
|
|
0x00F802E5, 0x00F90845,
|
|
0x00FA0089, 0x00FB0A09,
|
|
0x00FC008A, 0x00FD0A0A,
|
|
0x00FE02A9, 0x00FF0062,
|
|
};
|
|
|
|
if (!hbmMask)
|
|
return NtGdiBitBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, FRGND_ROP3(dwRop), 0, 0);
|
|
|
|
/* 1. make mask bitmap's dc */
|
|
hDCMask = NtGdiCreateCompatibleDC(hdcDest);
|
|
hOldMaskBitmap = (HBITMAP)NtGdiSelectBitmap(hDCMask, hbmMask);
|
|
|
|
/* 2. make masked Background bitmap */
|
|
|
|
/* 2.1 make bitmap */
|
|
hDC1 = NtGdiCreateCompatibleDC(hdcDest);
|
|
hBitmap2 = NtGdiCreateCompatibleBitmap(hdcDest, nWidth, nHeight);
|
|
hOldBitmap2 = (HBITMAP)NtGdiSelectBitmap(hDC1, hBitmap2);
|
|
|
|
/* 2.2 draw dest bitmap and mask */
|
|
NtGdiBitBlt(hDC1, 0, 0, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, SRCCOPY, 0, 0);
|
|
NtGdiBitBlt(hDC1, 0, 0, nWidth, nHeight, hdcDest, nXDest, nYDest, BKGND_ROP3(dwRop), 0, 0);
|
|
NtGdiBitBlt(hDC1, 0, 0, nWidth, nHeight, hDCMask, xMask, yMask, DSTERASE, 0, 0);
|
|
|
|
/* 3. make masked Foreground bitmap */
|
|
|
|
/* 3.1 make bitmap */
|
|
hDC2 = NtGdiCreateCompatibleDC(hdcDest);
|
|
hBitmap3 = NtGdiCreateCompatibleBitmap(hdcDest, nWidth, nHeight);
|
|
hOldBitmap3 = (HBITMAP)NtGdiSelectBitmap(hDC2, hBitmap3);
|
|
|
|
/* 3.2 draw src bitmap and mask */
|
|
NtGdiBitBlt(hDC2, 0, 0, nWidth, nHeight, hdcDest, nXDest, nYDest, SRCCOPY, 0, 0);
|
|
NtGdiBitBlt(hDC2, 0, 0, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, FRGND_ROP3(dwRop), 0,0);
|
|
NtGdiBitBlt(hDC2, 0, 0, nWidth, nHeight, hDCMask, xMask, yMask, SRCAND, 0, 0);
|
|
|
|
/* 4. combine both and copy the result to hdcDest */
|
|
NtGdiBitBlt(hDC1, 0, 0, nWidth, nHeight, hDC2, 0, 0, SRCPAINT, 0, 0);
|
|
NtGdiBitBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hDC1, 0, 0, SRCCOPY, 0, 0);
|
|
|
|
/* 5. restore all objects */
|
|
NtGdiSelectBitmap(hDCMask, hOldMaskBitmap);
|
|
NtGdiSelectBitmap(hDC1, hOldBitmap2);
|
|
NtGdiSelectBitmap(hDC2, hOldBitmap3);
|
|
|
|
/* 6. delete all temp objects */
|
|
GreDeleteObject(hBitmap2);
|
|
GreDeleteObject(hBitmap3);
|
|
|
|
NtGdiDeleteObjectApp(hDC1);
|
|
NtGdiDeleteObjectApp(hDC2);
|
|
NtGdiDeleteObjectApp(hDCMask);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL
|
|
APIENTRY
|
|
NtGdiPlgBlt(
|
|
IN HDC hdcTrg,
|
|
IN LPPOINT pptlTrg,
|
|
IN HDC hdcSrc,
|
|
IN INT xSrc,
|
|
IN INT ySrc,
|
|
IN INT cxSrc,
|
|
IN INT cySrc,
|
|
IN HBITMAP hbmMask,
|
|
IN INT xMask,
|
|
IN INT yMask,
|
|
IN DWORD crBackColor)
|
|
{
|
|
UNIMPLEMENTED;
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL APIENTRY
|
|
GreStretchBltMask(
|
|
HDC hDCDest,
|
|
INT XOriginDest,
|
|
INT YOriginDest,
|
|
INT WidthDest,
|
|
INT HeightDest,
|
|
HDC hDCSrc,
|
|
INT XOriginSrc,
|
|
INT YOriginSrc,
|
|
INT WidthSrc,
|
|
INT HeightSrc,
|
|
DWORD ROP,
|
|
IN DWORD dwBackColor,
|
|
HDC hDCMask,
|
|
INT XOriginMask,
|
|
INT YOriginMask)
|
|
{
|
|
PDC DCDest;
|
|
PDC DCSrc = NULL;
|
|
PDC DCMask = NULL;
|
|
HDC ahDC[3];
|
|
PGDIOBJ apObj[3];
|
|
PDC_ATTR pdcattr;
|
|
SURFACE *BitmapDest, *BitmapSrc = NULL;
|
|
SURFACE *BitmapMask = NULL;
|
|
RECTL DestRect;
|
|
RECTL SourceRect;
|
|
POINTL MaskPoint;
|
|
BOOL Status = FALSE;
|
|
EXLATEOBJ exlo;
|
|
XLATEOBJ *XlateObj = NULL;
|
|
POINTL BrushOrigin;
|
|
BOOL UsesSource = ROP3_USES_SOURCE(ROP);
|
|
|
|
if (0 == WidthDest || 0 == HeightDest || 0 == WidthSrc || 0 == HeightSrc)
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_PARAMETER);
|
|
return FALSE;
|
|
}
|
|
|
|
DPRINT("Locking DCs\n");
|
|
ahDC[0] = hDCDest;
|
|
ahDC[1] = hDCSrc ;
|
|
ahDC[2] = hDCMask ;
|
|
GDIOBJ_LockMultipleObjs(3, ahDC, apObj);
|
|
DCDest = apObj[0];
|
|
DCSrc = apObj[1];
|
|
DCMask = apObj[2];
|
|
|
|
if (NULL == DCDest)
|
|
{
|
|
if(DCSrc) GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
if(DCMask) GDIOBJ_UnlockObjByPtr(&DCMask->BaseObject);
|
|
DPRINT("Invalid destination dc handle (0x%08x) passed to NtGdiBitBlt\n", hDCDest);
|
|
return FALSE;
|
|
}
|
|
|
|
if (DCDest->dctype == DC_TYPE_INFO)
|
|
{
|
|
if(DCSrc) GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
if(DCMask) GDIOBJ_UnlockObjByPtr(&DCMask->BaseObject);
|
|
GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
|
|
if (UsesSource)
|
|
{
|
|
if (NULL == DCSrc)
|
|
{
|
|
GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
if(DCMask) GDIOBJ_UnlockObjByPtr(&DCMask->BaseObject);
|
|
DPRINT("Invalid source dc handle (0x%08x) passed to NtGdiBitBlt\n", hDCSrc);
|
|
return FALSE;
|
|
}
|
|
if (DCSrc->dctype == DC_TYPE_INFO)
|
|
{
|
|
GDIOBJ_UnlockObjByPtr(&DCDest->BaseObject);
|
|
GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
if(DCMask) GDIOBJ_UnlockObjByPtr(&DCMask->BaseObject);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
}
|
|
else if(DCSrc)
|
|
{
|
|
DPRINT1("Getting a valid Source handle without using source!!!");
|
|
GDIOBJ_UnlockObjByPtr(&DCSrc->BaseObject);
|
|
DCSrc = NULL ;
|
|
}
|
|
|
|
pdcattr = DCDest->pdcattr;
|
|
|
|
DestRect.left = XOriginDest;
|
|
DestRect.top = YOriginDest;
|
|
DestRect.right = XOriginDest+WidthDest;
|
|
DestRect.bottom = YOriginDest+HeightDest;
|
|
IntLPtoDP(DCDest, (LPPOINT)&DestRect, 2);
|
|
|
|
DestRect.left += DCDest->ptlDCOrig.x;
|
|
DestRect.top += DCDest->ptlDCOrig.y;
|
|
DestRect.right += DCDest->ptlDCOrig.x;
|
|
DestRect.bottom += DCDest->ptlDCOrig.y;
|
|
|
|
SourceRect.left = XOriginSrc;
|
|
SourceRect.top = YOriginSrc;
|
|
SourceRect.right = XOriginSrc+WidthSrc;
|
|
SourceRect.bottom = YOriginSrc+HeightSrc;
|
|
|
|
if (UsesSource)
|
|
{
|
|
IntLPtoDP(DCSrc, (LPPOINT)&SourceRect, 2);
|
|
|
|
SourceRect.left += DCSrc->ptlDCOrig.x;
|
|
SourceRect.top += DCSrc->ptlDCOrig.y;
|
|
SourceRect.right += DCSrc->ptlDCOrig.x;
|
|
SourceRect.bottom += DCSrc->ptlDCOrig.y;
|
|
}
|
|
|
|
BrushOrigin.x = 0;
|
|
BrushOrigin.y = 0;
|
|
|
|
/* Only prepare Source and Dest, hdcMask represents a DIB */
|
|
DC_vPrepareDCsForBlit(DCDest, DestRect, DCSrc, SourceRect);
|
|
|
|
if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
|
|
DC_vUpdateFillBrush(DCDest);
|
|
|
|
/* Determine surfaces to be used in the bitblt */
|
|
BitmapDest = DCDest->dclevel.pSurface;
|
|
if (BitmapDest == NULL)
|
|
goto failed;
|
|
if (UsesSource)
|
|
{
|
|
BitmapSrc = DCSrc->dclevel.pSurface;
|
|
if (BitmapSrc == NULL)
|
|
goto failed;
|
|
|
|
/* Create the XLATEOBJ. */
|
|
EXLATEOBJ_vInitXlateFromDCs(&exlo, DCSrc, DCDest);
|
|
XlateObj = &exlo.xlo;
|
|
}
|
|
|
|
/* Offset the brush */
|
|
BrushOrigin.x += DCDest->ptlDCOrig.x;
|
|
BrushOrigin.y += DCDest->ptlDCOrig.y;
|
|
|
|
/* Make mask surface for source surface */
|
|
if (BitmapSrc && DCMask)
|
|
{
|
|
BitmapMask = DCMask->dclevel.pSurface;
|
|
if (BitmapMask &&
|
|
(BitmapMask->SurfObj.sizlBitmap.cx < WidthSrc ||
|
|
BitmapMask->SurfObj.sizlBitmap.cy < HeightSrc))
|
|
{
|
|
DPRINT1("%dx%d mask is smaller than %dx%d bitmap\n",
|
|
BitmapMask->SurfObj.sizlBitmap.cx, BitmapMask->SurfObj.sizlBitmap.cy,
|
|
WidthSrc, HeightSrc);
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
goto failed;
|
|
}
|
|
/* Create mask offset point */
|
|
MaskPoint.x = XOriginMask;
|
|
MaskPoint.y = YOriginMask;
|
|
IntLPtoDP(DCMask, &MaskPoint, 1);
|
|
MaskPoint.x += DCMask->ptlDCOrig.x;
|
|
MaskPoint.y += DCMask->ptlDCOrig.x;
|
|
}
|
|
|
|
/* Perform the bitblt operation */
|
|
Status = IntEngStretchBlt(&BitmapDest->SurfObj,
|
|
&BitmapSrc->SurfObj,
|
|
BitmapMask ? &BitmapMask->SurfObj : NULL,
|
|
DCDest->rosdc.CombinedClip,
|
|
XlateObj,
|
|
&DestRect,
|
|
&SourceRect,
|
|
BitmapMask ? &MaskPoint : NULL,
|
|
&DCDest->eboFill.BrushObject,
|
|
&BrushOrigin,
|
|
ROP3_TO_ROP4(ROP));
|
|
if (UsesSource)
|
|
{
|
|
EXLATEOBJ_vCleanup(&exlo);
|
|
}
|
|
|
|
failed:
|
|
DC_vFinishBlit(DCDest, DCSrc);
|
|
if (UsesSource)
|
|
{
|
|
DC_UnlockDc(DCSrc);
|
|
}
|
|
if (DCMask)
|
|
{
|
|
DC_UnlockDc(DCMask);
|
|
}
|
|
DC_UnlockDc(DCDest);
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
BOOL APIENTRY
|
|
NtGdiStretchBlt(
|
|
HDC hDCDest,
|
|
INT XOriginDest,
|
|
INT YOriginDest,
|
|
INT WidthDest,
|
|
INT HeightDest,
|
|
HDC hDCSrc,
|
|
INT XOriginSrc,
|
|
INT YOriginSrc,
|
|
INT WidthSrc,
|
|
INT HeightSrc,
|
|
DWORD ROP,
|
|
IN DWORD dwBackColor)
|
|
{
|
|
return GreStretchBltMask(
|
|
hDCDest,
|
|
XOriginDest,
|
|
YOriginDest,
|
|
WidthDest,
|
|
HeightDest,
|
|
hDCSrc,
|
|
XOriginSrc,
|
|
YOriginSrc,
|
|
WidthSrc,
|
|
HeightSrc,
|
|
ROP,
|
|
dwBackColor,
|
|
NULL,
|
|
0,
|
|
0);
|
|
}
|
|
|
|
|
|
BOOL FASTCALL
|
|
IntPatBlt(
|
|
PDC pdc,
|
|
INT XLeft,
|
|
INT YLeft,
|
|
INT Width,
|
|
INT Height,
|
|
DWORD dwRop,
|
|
PBRUSH pbrush)
|
|
{
|
|
RECTL DestRect;
|
|
SURFACE *psurf;
|
|
EBRUSHOBJ eboFill ;
|
|
POINTL BrushOrigin;
|
|
BOOL ret;
|
|
|
|
ASSERT(pbrush);
|
|
|
|
if (pbrush->flAttrs & GDIBRUSH_IS_NULL)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
if (Width > 0)
|
|
{
|
|
DestRect.left = XLeft;
|
|
DestRect.right = XLeft + Width;
|
|
}
|
|
else
|
|
{
|
|
DestRect.left = XLeft + Width + 1;
|
|
DestRect.right = XLeft + 1;
|
|
}
|
|
|
|
if (Height > 0)
|
|
{
|
|
DestRect.top = YLeft;
|
|
DestRect.bottom = YLeft + Height;
|
|
}
|
|
else
|
|
{
|
|
DestRect.top = YLeft + Height + 1;
|
|
DestRect.bottom = YLeft + 1;
|
|
}
|
|
|
|
IntLPtoDP(pdc, (LPPOINT)&DestRect, 2);
|
|
|
|
DestRect.left += pdc->ptlDCOrig.x;
|
|
DestRect.top += pdc->ptlDCOrig.y;
|
|
DestRect.right += pdc->ptlDCOrig.x;
|
|
DestRect.bottom += pdc->ptlDCOrig.y;
|
|
|
|
BrushOrigin.x = pbrush->ptOrigin.x + pdc->ptlDCOrig.x;
|
|
BrushOrigin.y = pbrush->ptOrigin.y + pdc->ptlDCOrig.y;
|
|
|
|
DC_vPrepareDCsForBlit(pdc, DestRect, NULL, DestRect);
|
|
|
|
psurf = pdc->dclevel.pSurface;
|
|
|
|
if (pdc->pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
|
|
DC_vUpdateFillBrush(pdc);
|
|
|
|
EBRUSHOBJ_vInit(&eboFill, pbrush, pdc);
|
|
|
|
ret = IntEngBitBlt(
|
|
&psurf->SurfObj,
|
|
NULL,
|
|
NULL,
|
|
pdc->rosdc.CombinedClip,
|
|
NULL,
|
|
&DestRect,
|
|
NULL,
|
|
NULL,
|
|
&eboFill.BrushObject,
|
|
&BrushOrigin,
|
|
ROP3_TO_ROP4(dwRop));
|
|
|
|
DC_vFinishBlit(pdc, NULL);
|
|
|
|
EBRUSHOBJ_vCleanup(&eboFill);
|
|
|
|
return ret;
|
|
}
|
|
|
|
BOOL FASTCALL
|
|
IntGdiPolyPatBlt(
|
|
HDC hDC,
|
|
DWORD dwRop,
|
|
PPATRECT pRects,
|
|
INT cRects,
|
|
ULONG Reserved)
|
|
{
|
|
INT i;
|
|
PBRUSH pbrush;
|
|
PDC pdc;
|
|
|
|
pdc = DC_LockDc(hDC);
|
|
if (!pdc)
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
|
|
if (pdc->dctype == DC_TYPE_INFO)
|
|
{
|
|
DC_UnlockDc(pdc);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
|
|
for (i = 0; i < cRects; i++)
|
|
{
|
|
pbrush = BRUSH_LockBrush(pRects->hBrush);
|
|
if(pbrush != NULL)
|
|
{
|
|
IntPatBlt(
|
|
pdc,
|
|
pRects->r.left,
|
|
pRects->r.top,
|
|
pRects->r.right,
|
|
pRects->r.bottom,
|
|
dwRop,
|
|
pbrush);
|
|
BRUSH_UnlockBrush(pbrush);
|
|
}
|
|
pRects++;
|
|
}
|
|
|
|
DC_UnlockDc(pdc);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
BOOL APIENTRY
|
|
NtGdiPatBlt(
|
|
HDC hDC,
|
|
INT XLeft,
|
|
INT YLeft,
|
|
INT Width,
|
|
INT Height,
|
|
DWORD ROP)
|
|
{
|
|
PBRUSH pbrush;
|
|
DC *dc;
|
|
PDC_ATTR pdcattr;
|
|
BOOL ret;
|
|
|
|
BOOL UsesSource = ROP3_USES_SOURCE(ROP);
|
|
if (UsesSource)
|
|
{
|
|
/* in this case we call on GdiMaskBlt */
|
|
return NtGdiMaskBlt(hDC, XLeft, YLeft, Width, Height, 0,0,0,0,0,0,ROP,0);
|
|
}
|
|
|
|
dc = DC_LockDc(hDC);
|
|
if (dc == NULL)
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
return FALSE;
|
|
}
|
|
if (dc->dctype == DC_TYPE_INFO)
|
|
{
|
|
DC_UnlockDc(dc);
|
|
/* Yes, Windows really returns TRUE in this case */
|
|
return TRUE;
|
|
}
|
|
|
|
pdcattr = dc->pdcattr;
|
|
|
|
if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
|
|
DC_vUpdateFillBrush(dc);
|
|
|
|
pbrush = BRUSH_LockBrush(pdcattr->hbrush);
|
|
if (pbrush == NULL)
|
|
{
|
|
SetLastWin32Error(ERROR_INVALID_HANDLE);
|
|
DC_UnlockDc(dc);
|
|
return FALSE;
|
|
}
|
|
|
|
ret = IntPatBlt(dc, XLeft, YLeft, Width, Height, ROP, pbrush);
|
|
|
|
BRUSH_UnlockBrush(pbrush);
|
|
DC_UnlockDc(dc);
|
|
|
|
return ret;
|
|
}
|
|
|
|
BOOL APIENTRY
|
|
NtGdiPolyPatBlt(
|
|
HDC hDC,
|
|
DWORD dwRop,
|
|
IN PPOLYPATBLT pRects,
|
|
IN DWORD cRects,
|
|
IN DWORD Mode)
|
|
{
|
|
PPATRECT rb = NULL;
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
BOOL Ret;
|
|
|
|
if (cRects > 0)
|
|
{
|
|
rb = ExAllocatePoolWithTag(PagedPool, sizeof(PATRECT) * cRects, TAG_PATBLT);
|
|
if (!rb)
|
|
{
|
|
SetLastWin32Error(ERROR_NOT_ENOUGH_MEMORY);
|
|
return FALSE;
|
|
}
|
|
_SEH2_TRY
|
|
{
|
|
ProbeForRead(pRects,
|
|
cRects * sizeof(PATRECT),
|
|
1);
|
|
RtlCopyMemory(rb,
|
|
pRects,
|
|
cRects * sizeof(PATRECT));
|
|
}
|
|
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
|
|
{
|
|
Status = _SEH2_GetExceptionCode();
|
|
}
|
|
_SEH2_END;
|
|
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
ExFreePoolWithTag(rb, TAG_PATBLT);
|
|
SetLastNtError(Status);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
Ret = IntGdiPolyPatBlt(hDC, dwRop, rb, cRects, Mode);
|
|
|
|
if (cRects > 0)
|
|
ExFreePoolWithTag(rb, TAG_PATBLT);
|
|
|
|
return Ret;
|
|
}
|